/* returns false on out-of-memory */
static dbus_bool_t
do_reading (DBusTransport *transport)
{
DBusTransportSocket *socket_transport = (DBusTransportSocket*) transport;
DBusString *buffer;
int bytes_read;
int total;
dbus_bool_t oom;
int saved_errno;
_dbus_verbose ("fd = %" DBUS_SOCKET_FORMAT "\n",
_dbus_socket_printable (socket_transport->fd));
/* No messages without authentication! */
if (!_dbus_transport_try_to_authenticate (transport))
return TRUE;
oom = FALSE;
total = 0;
again:
/* See if we've exceeded max messages and need to disable reading */
check_read_watch (transport);
if (total > socket_transport->max_bytes_read_per_iteration)
{
_dbus_verbose ("%d bytes exceeds %d bytes read per iteration, returning\n",
total, socket_transport->max_bytes_read_per_iteration);
goto out;
}
_dbus_assert (socket_transport->read_watch != NULL ||
transport->disconnected);
if (transport->disconnected)
goto out;
if (!dbus_watch_get_enabled (socket_transport->read_watch))
return TRUE;
if (_dbus_auth_needs_decoding (transport->auth))
{
/* Does fd passing even make sense with encoded data? */
_dbus_assert(!DBUS_TRANSPORT_CAN_SEND_UNIX_FD(transport));
if (_dbus_string_get_length (&socket_transport->encoded_incoming) > 0)
bytes_read = _dbus_string_get_length (&socket_transport->encoded_incoming);
else
bytes_read = _dbus_read_socket (socket_transport->fd,
&socket_transport->encoded_incoming,
socket_transport->max_bytes_read_per_iteration);
saved_errno = _dbus_save_socket_errno ();
_dbus_assert (_dbus_string_get_length (&socket_transport->encoded_incoming) ==
bytes_read);
if (bytes_read > 0)
{
_dbus_message_loader_get_buffer (transport->loader,
&buffer);
if (!_dbus_auth_decode_data (transport->auth,
&socket_transport->encoded_incoming,
buffer))
{
_dbus_verbose ("Out of memory decoding incoming data\n");
_dbus_message_loader_return_buffer (transport->loader,
buffer);
oom = TRUE;
goto out;
}
_dbus_message_loader_return_buffer (transport->loader,
buffer);
_dbus_string_set_length (&socket_transport->encoded_incoming, 0);
_dbus_string_compact (&socket_transport->encoded_incoming, 2048);
}
}
else
{
_dbus_message_loader_get_buffer (transport->loader,
&buffer);
#ifdef HAVE_UNIX_FD_PASSING
if (DBUS_TRANSPORT_CAN_SEND_UNIX_FD(transport))
{
int *fds;
unsigned int n_fds;
if (!_dbus_message_loader_get_unix_fds(transport->loader, &fds, &n_fds))
{
_dbus_verbose ("Out of memory reading file descriptors\n");
_dbus_message_loader_return_buffer (transport->loader, buffer);
oom = TRUE;
goto out;
}
bytes_read = _dbus_read_socket_with_unix_fds(socket_transport->fd,
buffer,
socket_transport->max_bytes_read_per_iteration,
fds, &n_fds);
saved_errno = _dbus_save_socket_errno ();
if (bytes_read >= 0 && n_fds > 0)
_dbus_verbose("Read %i unix fds\n", n_fds);
_dbus_message_loader_return_unix_fds(transport->loader, fds, bytes_read < 0 ? 0 : n_fds);
}
else
#endif
{
bytes_read = _dbus_read_socket (socket_transport->fd,
buffer, socket_transport->max_bytes_read_per_iteration);
saved_errno = _dbus_save_socket_errno ();
}
_dbus_message_loader_return_buffer (transport->loader,
buffer);
}
if (bytes_read < 0)
{
/* EINTR already handled for us */
if (_dbus_get_is_errno_enomem (saved_errno))
{
_dbus_verbose ("Out of memory in read()/do_reading()\n");
oom = TRUE;
goto out;
}
else if (_dbus_get_is_errno_eagain_or_ewouldblock (saved_errno))
goto out;
else
{
_dbus_verbose ("Error reading from remote app: %s\n",
_dbus_strerror (saved_errno));
do_io_error (transport);
goto out;
}
}
else if (bytes_read == 0)
{
_dbus_verbose ("Disconnected from remote app\n");
do_io_error (transport);
goto out;
}
else
{
_dbus_verbose (" read %d bytes\n", bytes_read);
total += bytes_read;
if (!_dbus_transport_queue_messages (transport))
{
oom = TRUE;
_dbus_verbose (" out of memory when queueing messages we just read in the transport\n");
goto out;
}
/* Try reading more data until we get EAGAIN and return, or
* exceed max bytes per iteration. If in blocking mode of
* course we'll block instead of returning.
*/
goto again;
}
out:
if (oom)
return FALSE;
else
return TRUE;
}
/* returns false on oom */
static dbus_bool_t
do_writing (DBusTransport *transport)
{
int total;
DBusTransportSocket *socket_transport = (DBusTransportSocket*) transport;
dbus_bool_t oom;
/* No messages without authentication! */
if (!_dbus_transport_try_to_authenticate (transport))
{
_dbus_verbose ("Not authenticated, not writing anything\n");
return TRUE;
}
if (transport->disconnected)
{
_dbus_verbose ("Not connected, not writing anything\n");
return TRUE;
}
#if 1
_dbus_verbose ("do_writing(), have_messages = %d, fd = %d\n",
_dbus_connection_has_messages_to_send_unlocked (transport->connection),
socket_transport->fd);
#endif
oom = FALSE;
total = 0;
while (!transport->disconnected &&
_dbus_connection_has_messages_to_send_unlocked (transport->connection))
{
int bytes_written;
DBusMessage *message;
const DBusString *header;
const DBusString *body;
int header_len, body_len;
int total_bytes_to_write;
if (total > socket_transport->max_bytes_written_per_iteration)
{
_dbus_verbose ("%d bytes exceeds %d bytes written per iteration, returning\n",
total, socket_transport->max_bytes_written_per_iteration);
goto out;
}
message = _dbus_connection_get_message_to_send (transport->connection);
_dbus_assert (message != NULL);
dbus_message_lock (message);
#if 0
_dbus_verbose ("writing message %p\n", message);
#endif
_dbus_message_get_network_data (message,
&header, &body);
header_len = _dbus_string_get_length (header);
body_len = _dbus_string_get_length (body);
if (_dbus_auth_needs_encoding (transport->auth))
{
/* Does fd passing even make sense with encoded data? */
_dbus_assert(!DBUS_TRANSPORT_CAN_SEND_UNIX_FD(transport));
if (_dbus_string_get_length (&socket_transport->encoded_outgoing) == 0)
{
if (!_dbus_auth_encode_data (transport->auth,
header, &socket_transport->encoded_outgoing))
{
oom = TRUE;
goto out;
}
if (!_dbus_auth_encode_data (transport->auth,
body, &socket_transport->encoded_outgoing))
{
_dbus_string_set_length (&socket_transport->encoded_outgoing, 0);
oom = TRUE;
goto out;
}
}
total_bytes_to_write = _dbus_string_get_length (&socket_transport->encoded_outgoing);
#if 0
_dbus_verbose ("encoded message is %d bytes\n",
total_bytes_to_write);
#endif
bytes_written =
_dbus_write_socket (socket_transport->fd,
&socket_transport->encoded_outgoing,
socket_transport->message_bytes_written,
total_bytes_to_write - socket_transport->message_bytes_written);
}
else
{
total_bytes_to_write = header_len + body_len;
#if 0
_dbus_verbose ("message is %d bytes\n",
total_bytes_to_write);
#endif
#ifdef HAVE_UNIX_FD_PASSING
if (socket_transport->message_bytes_written <= 0 && DBUS_TRANSPORT_CAN_SEND_UNIX_FD(transport))
{
/* Send the fds along with the first byte of the message */
const int *unix_fds;
unsigned n;
_dbus_message_get_unix_fds(message, &unix_fds, &n);
bytes_written =
_dbus_write_socket_with_unix_fds_two (socket_transport->fd,
header,
socket_transport->message_bytes_written,
header_len - socket_transport->message_bytes_written,
body,
0, body_len,
unix_fds,
n);
if (bytes_written > 0 && n > 0)
_dbus_verbose("Wrote %i unix fds\n", n);
}
else
#endif
{
if (socket_transport->message_bytes_written < header_len)
{
bytes_written =
_dbus_write_socket_two (socket_transport->fd,
header,
socket_transport->message_bytes_written,
header_len - socket_transport->message_bytes_written,
body,
0, body_len);
}
else
{
bytes_written =
_dbus_write_socket (socket_transport->fd,
body,
(socket_transport->message_bytes_written - header_len),
body_len -
(socket_transport->message_bytes_written - header_len));
}
}
}
if (bytes_written < 0)
{
/* EINTR already handled for us */
/* For some discussion of why we also ignore EPIPE here, see
* http://lists.freedesktop.org/archives/dbus/2008-March/009526.html
*/
if (_dbus_get_is_errno_eagain_or_ewouldblock () || _dbus_get_is_errno_epipe ())
goto out;
else
{
_dbus_verbose ("Error writing to remote app: %s\n",
_dbus_strerror_from_errno ());
do_io_error (transport);
goto out;
}
}
else
{
_dbus_verbose (" wrote %d bytes of %d\n", bytes_written,
total_bytes_to_write);
total += bytes_written;
socket_transport->message_bytes_written += bytes_written;
_dbus_assert (socket_transport->message_bytes_written <=
total_bytes_to_write);
if (socket_transport->message_bytes_written == total_bytes_to_write)
{
socket_transport->message_bytes_written = 0;
_dbus_string_set_length (&socket_transport->encoded_outgoing, 0);
_dbus_string_compact (&socket_transport->encoded_outgoing, 2048);
_dbus_connection_message_sent_unlocked (transport->connection,
message);
}
}
}
out:
if (oom)
return FALSE;
else
return TRUE;
}
/* returns false on oom */
static dbus_bool_t
do_writing (DBusTransport *transport)
{
int total;
DBusTransportSocket *socket_transport = (DBusTransportSocket*) transport;
dbus_bool_t oom;
/* No messages without authentication! */
if (!_dbus_transport_try_to_authenticate (transport))
{
_dbus_verbose ("Not authenticated, not writing anything\n");
return TRUE;
}
if (transport->disconnected)
{
_dbus_verbose ("Not connected, not writing anything\n");
return TRUE;
}
#if 1
_dbus_verbose ("do_writing(), have_messages = %d, fd = %" DBUS_SOCKET_FORMAT "\n",
_dbus_connection_has_messages_to_send_unlocked (transport->connection),
_dbus_socket_printable (socket_transport->fd));
#endif
oom = FALSE;
total = 0;
while (!transport->disconnected &&
_dbus_connection_has_messages_to_send_unlocked (transport->connection))
{
int bytes_written;
DBusMessage *message;
const DBusString *header;
const DBusString *body;
int header_len, body_len;
int total_bytes_to_write;
int saved_errno;
if (total > socket_transport->max_bytes_written_per_iteration)
{
_dbus_verbose ("%d bytes exceeds %d bytes written per iteration, returning\n",
total, socket_transport->max_bytes_written_per_iteration);
goto out;
}
message = _dbus_connection_get_message_to_send (transport->connection);
_dbus_assert (message != NULL);
dbus_message_lock (message);
#if 0
_dbus_verbose ("writing message %p\n", message);
#endif
_dbus_message_get_network_data (message,
&header, &body);
header_len = _dbus_string_get_length (header);
body_len = _dbus_string_get_length (body);
if (_dbus_auth_needs_encoding (transport->auth))
{
/* Does fd passing even make sense with encoded data? */
_dbus_assert(!DBUS_TRANSPORT_CAN_SEND_UNIX_FD(transport));
if (_dbus_string_get_length (&socket_transport->encoded_outgoing) == 0)
{
if (!_dbus_auth_encode_data (transport->auth,
header, &socket_transport->encoded_outgoing))
{
oom = TRUE;
goto out;
}
if (!_dbus_auth_encode_data (transport->auth,
body, &socket_transport->encoded_outgoing))
{
_dbus_string_set_length (&socket_transport->encoded_outgoing, 0);
oom = TRUE;
goto out;
}
}
total_bytes_to_write = _dbus_string_get_length (&socket_transport->encoded_outgoing);
#if 0
_dbus_verbose ("encoded message is %d bytes\n",
total_bytes_to_write);
#endif
bytes_written =
_dbus_write_socket (socket_transport->fd,
&socket_transport->encoded_outgoing,
socket_transport->message_bytes_written,
total_bytes_to_write - socket_transport->message_bytes_written);
saved_errno = _dbus_save_socket_errno ();
}
else
{
total_bytes_to_write = header_len + body_len;
#if 0
_dbus_verbose ("message is %d bytes\n",
total_bytes_to_write);
#endif
#ifdef HAVE_UNIX_FD_PASSING
if (socket_transport->message_bytes_written <= 0 && DBUS_TRANSPORT_CAN_SEND_UNIX_FD(transport))
{
/* Send the fds along with the first byte of the message */
const int *unix_fds;
unsigned n;
_dbus_message_get_unix_fds(message, &unix_fds, &n);
bytes_written =
_dbus_write_socket_with_unix_fds_two (socket_transport->fd,
header,
socket_transport->message_bytes_written,
header_len - socket_transport->message_bytes_written,
body,
0, body_len,
unix_fds,
n);
saved_errno = _dbus_save_socket_errno ();
if (bytes_written > 0 && n > 0)
_dbus_verbose("Wrote %i unix fds\n", n);
}
else
#endif
{
if (socket_transport->message_bytes_written < header_len)
{
bytes_written =
_dbus_write_socket_two (socket_transport->fd,
header,
socket_transport->message_bytes_written,
header_len - socket_transport->message_bytes_written,
body,
0, body_len);
}
else
{
bytes_written =
_dbus_write_socket (socket_transport->fd,
body,
(socket_transport->message_bytes_written - header_len),
body_len -
(socket_transport->message_bytes_written - header_len));
}
saved_errno = _dbus_save_socket_errno ();
}
}
if (bytes_written < 0)
{
/* EINTR already handled for us */
/* If the other end closed the socket with close() or shutdown(), we
* receive EPIPE here but we must not close the socket yet: there
* might still be some data to read. See:
* http://lists.freedesktop.org/archives/dbus/2008-March/009526.html
*/
if (_dbus_get_is_errno_eagain_or_ewouldblock (saved_errno) || _dbus_get_is_errno_epipe (saved_errno))
goto out;
/* Since Linux commit 25888e (from 2.6.37-rc4, Nov 2010), sendmsg()
* on Unix sockets returns -1 errno=ETOOMANYREFS when the passfd
* mechanism (SCM_RIGHTS) is used recursively with a recursion level
* of maximum 4. The kernel does not have an API to check whether
* the passed fds can be forwarded and it can change asynchronously.
* See:
* https://bugs.freedesktop.org/show_bug.cgi?id=80163
*/
else if (_dbus_get_is_errno_etoomanyrefs (saved_errno))
{
/* We only send fds in the first byte of the message.
* ETOOMANYREFS cannot happen after.
*/
_dbus_assert (socket_transport->message_bytes_written == 0);
_dbus_verbose (" discard message of %d bytes due to ETOOMANYREFS\n",
total_bytes_to_write);
socket_transport->message_bytes_written = 0;
_dbus_string_set_length (&socket_transport->encoded_outgoing, 0);
_dbus_string_compact (&socket_transport->encoded_outgoing, 2048);
/* The message was not actually sent but it needs to be removed
* from the outgoing queue
*/
_dbus_connection_message_sent_unlocked (transport->connection,
message);
}
else
{
_dbus_verbose ("Error writing to remote app: %s\n",
_dbus_strerror (saved_errno));
do_io_error (transport);
goto out;
}
}
else
{
_dbus_verbose (" wrote %d bytes of %d\n", bytes_written,
total_bytes_to_write);
total += bytes_written;
socket_transport->message_bytes_written += bytes_written;
_dbus_assert (socket_transport->message_bytes_written <=
total_bytes_to_write);
if (socket_transport->message_bytes_written == total_bytes_to_write)
{
socket_transport->message_bytes_written = 0;
_dbus_string_set_length (&socket_transport->encoded_outgoing, 0);
_dbus_string_compact (&socket_transport->encoded_outgoing, 2048);
_dbus_connection_message_sent_unlocked (transport->connection,
message);
}
}
}
out:
if (oom)
return FALSE;
else
return TRUE;
}
/**
* @ingroup DBusStringInternals
* Unit test for DBusString.
*
* @todo Need to write tests for _dbus_string_copy() and
* _dbus_string_move() moving to/from each of start/middle/end of a
* string. Also need tests for _dbus_string_move_len ()
*
* @returns #TRUE on success.
*/
dbus_bool_t
_dbus_string_test (void)
{
DBusString str;
DBusString other;
int i, end;
long v;
double d;
int lens[] = { 0, 1, 2, 3, 4, 5, 10, 16, 17, 18, 25, 31, 32, 33, 34, 35, 63, 64, 65, 66, 67, 68, 69, 70, 71, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136 };
char *s;
dbus_unichar_t ch;
i = 0;
while (i < _DBUS_N_ELEMENTS (lens))
{
if (!_dbus_string_init (&str))
_dbus_assert_not_reached ("failed to init string");
set_max_length (&str, lens[i]);
test_max_len (&str, lens[i]);
_dbus_string_free (&str);
++i;
}
/* Test shortening and setting length */
i = 0;
while (i < _DBUS_N_ELEMENTS (lens))
{
int j;
if (!_dbus_string_init (&str))
_dbus_assert_not_reached ("failed to init string");
set_max_length (&str, lens[i]);
if (!_dbus_string_set_length (&str, lens[i]))
_dbus_assert_not_reached ("failed to set string length");
j = lens[i];
while (j > 0)
{
_dbus_assert (_dbus_string_get_length (&str) == j);
if (j > 0)
{
_dbus_string_shorten (&str, 1);
_dbus_assert (_dbus_string_get_length (&str) == (j - 1));
}
--j;
}
_dbus_string_free (&str);
++i;
}
/* Test equality */
if (!_dbus_string_init (&str))
_dbus_assert_not_reached ("oom");
if (!_dbus_string_append (&str, "Hello World"))
_dbus_assert_not_reached ("oom");
_dbus_string_init_const (&other, "H");
_dbus_assert (_dbus_string_equal_substring (&str, 0, 1, &other, 0));
_dbus_assert (_dbus_string_equal_substring (&str, 1, 0, &other, 1));
_dbus_string_init_const (&other, "Hello");
_dbus_assert (_dbus_string_equal_substring (&str, 0, 5, &other, 0));
_dbus_assert (_dbus_string_equal_substring (&str, 1, 4, &other, 1));
_dbus_assert (_dbus_string_equal_substring (&str, 2, 3, &other, 2));
_dbus_assert (_dbus_string_equal_substring (&str, 3, 2, &other, 3));
_dbus_assert (_dbus_string_equal_substring (&str, 4, 1, &other, 4));
_dbus_assert (_dbus_string_equal_substring (&str, 5, 0, &other, 5));
_dbus_assert (_dbus_string_equal_substring (&other, 0, 5, &str, 0));
_dbus_assert (_dbus_string_equal_substring (&other, 1, 4, &str, 1));
_dbus_assert (_dbus_string_equal_substring (&other, 2, 3, &str, 2));
_dbus_assert (_dbus_string_equal_substring (&other, 3, 2, &str, 3));
_dbus_assert (_dbus_string_equal_substring (&other, 4, 1, &str, 4));
_dbus_assert (_dbus_string_equal_substring (&other, 5, 0, &str, 5));
_dbus_string_init_const (&other, "World");
_dbus_assert (_dbus_string_equal_substring (&str, 6, 5, &other, 0));
_dbus_assert (_dbus_string_equal_substring (&str, 7, 4, &other, 1));
_dbus_assert (_dbus_string_equal_substring (&str, 8, 3, &other, 2));
_dbus_assert (_dbus_string_equal_substring (&str, 9, 2, &other, 3));
_dbus_assert (_dbus_string_equal_substring (&str, 10, 1, &other, 4));
_dbus_assert (_dbus_string_equal_substring (&str, 11, 0, &other, 5));
_dbus_assert (_dbus_string_equal_substring (&other, 0, 5, &str, 6));
_dbus_assert (_dbus_string_equal_substring (&other, 1, 4, &str, 7));
_dbus_assert (_dbus_string_equal_substring (&other, 2, 3, &str, 8));
_dbus_assert (_dbus_string_equal_substring (&other, 3, 2, &str, 9));
_dbus_assert (_dbus_string_equal_substring (&other, 4, 1, &str, 10));
_dbus_assert (_dbus_string_equal_substring (&other, 5, 0, &str, 11));
_dbus_string_free (&str);
/* Test appending data */
if (!_dbus_string_init (&str))
_dbus_assert_not_reached ("failed to init string");
i = 0;
while (i < 10)
{
if (!_dbus_string_append (&str, "a"))
_dbus_assert_not_reached ("failed to append string to string\n");
_dbus_assert (_dbus_string_get_length (&str) == i * 2 + 1);
if (!_dbus_string_append_byte (&str, 'b'))
_dbus_assert_not_reached ("failed to append byte to string\n");
_dbus_assert (_dbus_string_get_length (&str) == i * 2 + 2);
++i;
}
_dbus_string_free (&str);
/* Check steal_data */
if (!_dbus_string_init (&str))
_dbus_assert_not_reached ("failed to init string");
if (!_dbus_string_append (&str, "Hello World"))
_dbus_assert_not_reached ("could not append to string");
i = _dbus_string_get_length (&str);
if (!_dbus_string_steal_data (&str, &s))
_dbus_assert_not_reached ("failed to steal data");
_dbus_assert (_dbus_string_get_length (&str) == 0);
_dbus_assert (((int)strlen (s)) == i);
dbus_free (s);
/* Check move */
if (!_dbus_string_append (&str, "Hello World"))
_dbus_assert_not_reached ("could not append to string");
i = _dbus_string_get_length (&str);
if (!_dbus_string_init (&other))
_dbus_assert_not_reached ("could not init string");
if (!_dbus_string_move (&str, 0, &other, 0))
_dbus_assert_not_reached ("could not move");
_dbus_assert (_dbus_string_get_length (&str) == 0);
_dbus_assert (_dbus_string_get_length (&other) == i);
if (!_dbus_string_append (&str, "Hello World"))
_dbus_assert_not_reached ("could not append to string");
if (!_dbus_string_move (&str, 0, &other, _dbus_string_get_length (&other)))
_dbus_assert_not_reached ("could not move");
_dbus_assert (_dbus_string_get_length (&str) == 0);
_dbus_assert (_dbus_string_get_length (&other) == i * 2);
if (!_dbus_string_append (&str, "Hello World"))
_dbus_assert_not_reached ("could not append to string");
if (!_dbus_string_move (&str, 0, &other, _dbus_string_get_length (&other) / 2))
_dbus_assert_not_reached ("could not move");
_dbus_assert (_dbus_string_get_length (&str) == 0);
_dbus_assert (_dbus_string_get_length (&other) == i * 3);
_dbus_string_free (&other);
/* Check copy */
if (!_dbus_string_append (&str, "Hello World"))
_dbus_assert_not_reached ("could not append to string");
i = _dbus_string_get_length (&str);
if (!_dbus_string_init (&other))
_dbus_assert_not_reached ("could not init string");
if (!_dbus_string_copy (&str, 0, &other, 0))
_dbus_assert_not_reached ("could not copy");
_dbus_assert (_dbus_string_get_length (&str) == i);
_dbus_assert (_dbus_string_get_length (&other) == i);
if (!_dbus_string_copy (&str, 0, &other, _dbus_string_get_length (&other)))
_dbus_assert_not_reached ("could not copy");
_dbus_assert (_dbus_string_get_length (&str) == i);
_dbus_assert (_dbus_string_get_length (&other) == i * 2);
_dbus_assert (_dbus_string_equal_c_str (&other,
"Hello WorldHello World"));
if (!_dbus_string_copy (&str, 0, &other, _dbus_string_get_length (&other) / 2))
_dbus_assert_not_reached ("could not copy");
_dbus_assert (_dbus_string_get_length (&str) == i);
_dbus_assert (_dbus_string_get_length (&other) == i * 3);
_dbus_assert (_dbus_string_equal_c_str (&other,
"Hello WorldHello WorldHello World"));
_dbus_string_free (&str);
_dbus_string_free (&other);
/* Check replace */
if (!_dbus_string_init (&str))
_dbus_assert_not_reached ("failed to init string");
if (!_dbus_string_append (&str, "Hello World"))
_dbus_assert_not_reached ("could not append to string");
i = _dbus_string_get_length (&str);
if (!_dbus_string_init (&other))
_dbus_assert_not_reached ("could not init string");
if (!_dbus_string_replace_len (&str, 0, _dbus_string_get_length (&str),
&other, 0, _dbus_string_get_length (&other)))
_dbus_assert_not_reached ("could not replace");
_dbus_assert (_dbus_string_get_length (&str) == i);
_dbus_assert (_dbus_string_get_length (&other) == i);
_dbus_assert (_dbus_string_equal_c_str (&other, "Hello World"));
if (!_dbus_string_replace_len (&str, 0, _dbus_string_get_length (&str),
&other, 5, 1))
_dbus_assert_not_reached ("could not replace center space");
_dbus_assert (_dbus_string_get_length (&str) == i);
_dbus_assert (_dbus_string_get_length (&other) == i * 2 - 1);
_dbus_assert (_dbus_string_equal_c_str (&other,
"HelloHello WorldWorld"));
if (!_dbus_string_replace_len (&str, 1, 1,
&other,
_dbus_string_get_length (&other) - 1,
1))
_dbus_assert_not_reached ("could not replace end character");
_dbus_assert (_dbus_string_get_length (&str) == i);
_dbus_assert (_dbus_string_get_length (&other) == i * 2 - 1);
_dbus_assert (_dbus_string_equal_c_str (&other,
"HelloHello WorldWorle"));
_dbus_string_free (&str);
_dbus_string_free (&other);
/* Check append/get unichar */
if (!_dbus_string_init (&str))
_dbus_assert_not_reached ("failed to init string");
ch = 0;
if (!_dbus_string_append_unichar (&str, 0xfffc))
_dbus_assert_not_reached ("failed to append unichar");
_dbus_string_get_unichar (&str, 0, &ch, &i);
_dbus_assert (ch == 0xfffc);
_dbus_assert (i == _dbus_string_get_length (&str));
_dbus_string_free (&str);
/* Check insert/set/get byte */
if (!_dbus_string_init (&str))
_dbus_assert_not_reached ("failed to init string");
if (!_dbus_string_append (&str, "Hello"))
_dbus_assert_not_reached ("failed to append Hello");
_dbus_assert (_dbus_string_get_byte (&str, 0) == 'H');
_dbus_assert (_dbus_string_get_byte (&str, 1) == 'e');
_dbus_assert (_dbus_string_get_byte (&str, 2) == 'l');
_dbus_assert (_dbus_string_get_byte (&str, 3) == 'l');
_dbus_assert (_dbus_string_get_byte (&str, 4) == 'o');
_dbus_string_set_byte (&str, 1, 'q');
_dbus_assert (_dbus_string_get_byte (&str, 1) == 'q');
if (!_dbus_string_insert_bytes (&str, 0, 1, 255))
_dbus_assert_not_reached ("can't insert byte");
if (!_dbus_string_insert_bytes (&str, 2, 4, 'Z'))
_dbus_assert_not_reached ("can't insert byte");
if (!_dbus_string_insert_bytes (&str, _dbus_string_get_length (&str), 1, 'W'))
_dbus_assert_not_reached ("can't insert byte");
_dbus_assert (_dbus_string_get_byte (&str, 0) == 255);
_dbus_assert (_dbus_string_get_byte (&str, 1) == 'H');
_dbus_assert (_dbus_string_get_byte (&str, 2) == 'Z');
_dbus_assert (_dbus_string_get_byte (&str, 3) == 'Z');
_dbus_assert (_dbus_string_get_byte (&str, 4) == 'Z');
_dbus_assert (_dbus_string_get_byte (&str, 5) == 'Z');
_dbus_assert (_dbus_string_get_byte (&str, 6) == 'q');
_dbus_assert (_dbus_string_get_byte (&str, 7) == 'l');
_dbus_assert (_dbus_string_get_byte (&str, 8) == 'l');
_dbus_assert (_dbus_string_get_byte (&str, 9) == 'o');
_dbus_assert (_dbus_string_get_byte (&str, 10) == 'W');
_dbus_string_free (&str);
/* Check append/parse int/double */
if (!_dbus_string_init (&str))
_dbus_assert_not_reached ("failed to init string");
if (!_dbus_string_append_int (&str, 27))
_dbus_assert_not_reached ("failed to append int");
i = _dbus_string_get_length (&str);
if (!_dbus_string_parse_int (&str, 0, &v, &end))
_dbus_assert_not_reached ("failed to parse int");
_dbus_assert (v == 27);
_dbus_assert (end == i);
_dbus_string_free (&str);
if (!_dbus_string_init (&str))
_dbus_assert_not_reached ("failed to init string");
if (!_dbus_string_append_double (&str, 50.3))
_dbus_assert_not_reached ("failed to append float");
i = _dbus_string_get_length (&str);
if (!_dbus_string_parse_double (&str, 0, &d, &end))
_dbus_assert_not_reached ("failed to parse float");
_dbus_assert (d > (50.3 - 1e-6) && d < (50.3 + 1e-6));
_dbus_assert (end == i);
_dbus_string_free (&str);
/* Test find */
if (!_dbus_string_init (&str))
_dbus_assert_not_reached ("failed to init string");
if (!_dbus_string_append (&str, "Hello"))
_dbus_assert_not_reached ("couldn't append to string");
if (!_dbus_string_find (&str, 0, "He", &i))
_dbus_assert_not_reached ("didn't find 'He'");
_dbus_assert (i == 0);
if (!_dbus_string_find (&str, 0, "Hello", &i))
_dbus_assert_not_reached ("didn't find 'Hello'");
_dbus_assert (i == 0);
if (!_dbus_string_find (&str, 0, "ello", &i))
_dbus_assert_not_reached ("didn't find 'ello'");
_dbus_assert (i == 1);
if (!_dbus_string_find (&str, 0, "lo", &i))
_dbus_assert_not_reached ("didn't find 'lo'");
_dbus_assert (i == 3);
if (!_dbus_string_find (&str, 2, "lo", &i))
_dbus_assert_not_reached ("didn't find 'lo'");
_dbus_assert (i == 3);
if (_dbus_string_find (&str, 4, "lo", &i))
_dbus_assert_not_reached ("did find 'lo'");
if (!_dbus_string_find (&str, 0, "l", &i))
_dbus_assert_not_reached ("didn't find 'l'");
_dbus_assert (i == 2);
if (!_dbus_string_find (&str, 0, "H", &i))
_dbus_assert_not_reached ("didn't find 'H'");
_dbus_assert (i == 0);
if (!_dbus_string_find (&str, 0, "", &i))
_dbus_assert_not_reached ("didn't find ''");
_dbus_assert (i == 0);
if (_dbus_string_find (&str, 0, "Hello!", NULL))
_dbus_assert_not_reached ("Did find 'Hello!'");
if (_dbus_string_find (&str, 0, "Oh, Hello", NULL))
_dbus_assert_not_reached ("Did find 'Oh, Hello'");
if (_dbus_string_find (&str, 0, "ill", NULL))
_dbus_assert_not_reached ("Did find 'ill'");
if (_dbus_string_find (&str, 0, "q", NULL))
_dbus_assert_not_reached ("Did find 'q'");
if (!_dbus_string_find_to (&str, 0, 2, "He", NULL))
_dbus_assert_not_reached ("Didn't find 'He'");
if (_dbus_string_find_to (&str, 0, 2, "Hello", NULL))
_dbus_assert_not_reached ("Did find 'Hello'");
if (!_dbus_string_find_byte_backward (&str, _dbus_string_get_length (&str), 'H', &i))
_dbus_assert_not_reached ("Did not find 'H'");
_dbus_assert (i == 0);
if (!_dbus_string_find_byte_backward (&str, _dbus_string_get_length (&str), 'o', &i))
_dbus_assert_not_reached ("Did not find 'o'");
_dbus_assert (i == _dbus_string_get_length (&str) - 1);
if (_dbus_string_find_byte_backward (&str, _dbus_string_get_length (&str) - 1, 'o', &i))
_dbus_assert_not_reached ("Did find 'o'");
_dbus_assert (i == -1);
if (_dbus_string_find_byte_backward (&str, 1, 'e', &i))
_dbus_assert_not_reached ("Did find 'e'");
_dbus_assert (i == -1);
if (!_dbus_string_find_byte_backward (&str, 2, 'e', &i))
_dbus_assert_not_reached ("Didn't find 'e'");
_dbus_assert (i == 1);
_dbus_string_free (&str);
/* Hex encoding */
_dbus_string_init_const (&str, "cafebabe, this is a bogus hex string");
if (!_dbus_string_init (&other))
_dbus_assert_not_reached ("could not init string");
if (!_dbus_string_hex_decode (&str, 0, &end, &other, 0))
_dbus_assert_not_reached ("deccoded bogus hex string with no error");
_dbus_assert (end == 8);
_dbus_string_free (&other);
test_roundtrips (test_hex_roundtrip);
_dbus_string_free (&str);
{
int found, found_len;
_dbus_string_init_const (&str, "012\r\n567\n90");
if (!_dbus_string_find_eol (&str, 0, &found, &found_len) || found != 3 || found_len != 2)
_dbus_assert_not_reached ("Did not find '\\r\\n'");
if (found != 3 || found_len != 2)
_dbus_assert_not_reached ("invalid return values");
if (!_dbus_string_find_eol (&str, 5, &found, &found_len))
_dbus_assert_not_reached ("Did not find '\\n'");
if (found != 8 || found_len != 1)
_dbus_assert_not_reached ("invalid return values");
if (_dbus_string_find_eol (&str, 9, &found, &found_len))
_dbus_assert_not_reached ("Found not expected '\\n'");
else if (found != 11 || found_len != 0)
_dbus_assert_not_reached ("invalid return values '\\n'");
found = -1;
found_len = -1;
_dbus_string_init_const (&str, "");
if (_dbus_string_find_eol (&str, 0, &found, &found_len))
_dbus_assert_not_reached ("found an eol in an empty string");
_dbus_assert (found == 0);
_dbus_assert (found_len == 0);
found = -1;
found_len = -1;
_dbus_string_init_const (&str, "foobar");
if (_dbus_string_find_eol (&str, 0, &found, &found_len))
_dbus_assert_not_reached ("found eol in string that lacks one");
_dbus_assert (found == 6);
_dbus_assert (found_len == 0);
found = -1;
found_len = -1;
_dbus_string_init_const (&str, "foobar\n");
if (!_dbus_string_find_eol (&str, 0, &found, &found_len))
_dbus_assert_not_reached ("did not find eol in string that has one at end");
_dbus_assert (found == 6);
_dbus_assert (found_len == 1);
}
{
DBusString line;
#define FIRST_LINE "this is a line"
#define SECOND_LINE "this is a second line"
/* third line is empty */
#define THIRD_LINE ""
#define FOURTH_LINE "this is a fourth line"
if (!_dbus_string_init (&str))
_dbus_assert_not_reached ("no memory");
if (!_dbus_string_append (&str, FIRST_LINE "\n" SECOND_LINE "\r\n" THIRD_LINE "\n" FOURTH_LINE))
_dbus_assert_not_reached ("no memory");
if (!_dbus_string_init (&line))
_dbus_assert_not_reached ("no memory");
if (!_dbus_string_pop_line (&str, &line))
_dbus_assert_not_reached ("failed to pop first line");
_dbus_assert (_dbus_string_equal_c_str (&line, FIRST_LINE));
if (!_dbus_string_pop_line (&str, &line))
_dbus_assert_not_reached ("failed to pop second line");
_dbus_assert (_dbus_string_equal_c_str (&line, SECOND_LINE));
if (!_dbus_string_pop_line (&str, &line))
_dbus_assert_not_reached ("failed to pop third line");
_dbus_assert (_dbus_string_equal_c_str (&line, THIRD_LINE));
if (!_dbus_string_pop_line (&str, &line))
_dbus_assert_not_reached ("failed to pop fourth line");
_dbus_assert (_dbus_string_equal_c_str (&line, FOURTH_LINE));
_dbus_string_free (&str);
_dbus_string_free (&line);
}
{
if (!_dbus_string_init (&str))
_dbus_assert_not_reached ("no memory");
for (i = 0; i < 10000; i++)
if (!_dbus_string_append (&str, "abcdefghijklmnopqrstuvwxyz"))
_dbus_assert_not_reached ("no memory");
if (!_dbus_string_set_length (&str, 10))
_dbus_assert_not_reached ("failed to set length");
/* actually compact */
if (!_dbus_string_compact (&str, 2048))
_dbus_assert_not_reached ("failed to compact after set_length");
/* peek inside to make sure it worked */
if (((DBusRealString *)&str)->allocated > 30)
_dbus_assert_not_reached ("compacting string didn't do anything");
if (!_dbus_string_equal_c_str (&str, "abcdefghij"))
_dbus_assert_not_reached ("unexpected content after compact");
/* compact nothing */
if (!_dbus_string_compact (&str, 2048))
_dbus_assert_not_reached ("failed to compact 2nd time");
if (!_dbus_string_equal_c_str (&str, "abcdefghij"))
_dbus_assert_not_reached ("unexpected content after 2nd compact");
/* and make sure it still works...*/
if (!_dbus_string_append (&str, "123456"))
_dbus_assert_not_reached ("failed to append after compact");
if (!_dbus_string_equal_c_str (&str, "abcdefghij123456"))
_dbus_assert_not_reached ("unexpected content after append");
/* after growing automatically, this should do nothing */
if (!_dbus_string_compact (&str, 20000))
_dbus_assert_not_reached ("failed to compact after grow");
/* but this one will do something */
if (!_dbus_string_compact (&str, 0))
_dbus_assert_not_reached ("failed to compact after grow");
if (!_dbus_string_equal_c_str (&str, "abcdefghij123456"))
_dbus_assert_not_reached ("unexpected content");
if (!_dbus_string_append (&str, "!@#$%"))
_dbus_assert_not_reached ("failed to append after compact");
if (!_dbus_string_equal_c_str (&str, "abcdefghij123456!@#$%"))
_dbus_assert_not_reached ("unexpected content");
_dbus_string_free (&str);
}
{
const char two_strings[] = "one\ttwo";
if (!_dbus_string_init (&str))
_dbus_assert_not_reached ("no memory");
if (!_dbus_string_init (&other))
_dbus_assert_not_reached ("no memory");
if (!_dbus_string_append (&str, two_strings))
_dbus_assert_not_reached ("no memory");
if (!_dbus_string_split_on_byte (&str, '\t', &other))
_dbus_assert_not_reached ("no memory or delimiter not found");
if (strcmp (_dbus_string_get_data (&str), "one") != 0)
_dbus_assert_not_reached ("left side after split on tab is wrong");
if (strcmp (_dbus_string_get_data (&other), "two") != 0)
_dbus_assert_not_reached ("right side after split on tab is wrong");
_dbus_string_free (&str);
_dbus_string_free (&other);
}
return TRUE;
}